Keywords: Bristol.blue.glass.arp.750pix.jpg en A small collection of Bristol Blue decorative glassware hand blown in Bristol England Photographed by Adrian Pingstone in March 2004 and released to the public domain <br> The intense blue color is due to the occurrence of Cobalt pt Uma coleção pequena de objeto de cristal decorativo azul de Bristol feito à mão em Bristol Inglaterra Source English Wikipedia original upload 27 March 2004 by Arpingstone Arpingstone en Image Bristol blue glass arp 750pix jpg pt Imagem Bristol blue glass arp 750pix jpg Taken with Olympus C-750UZ Cobalt glass |